Wire-stringing device.



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v Inventor? John Cacallan, y

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Witnesses:

PATENTED JULY 28, 1908.

J. G. OALLAN.

WIRE STRINGING DEVICE.

APPLICATION FILED SEPT.16. 1907- 2 SHEETS-SHEET 2.

- Inventor; John G. 06.11am,

Witnessefls:

By W

' H S- AES are.

JOHN G. OALLAN, OF NAHANT, MASSACHUSETTS, ASSIGNOR TO GENERAL ELECTRIC COMPANY, A CORPORATION OF NEW YORK.

WIRE-STRINGING DEVICE.

Specification of Letters Patent.

Patented July 28, 1908.

To all whom it may concern:

Be it known that I, JOHN G. OALLAN, a citizen of the United States, residing at Nahant, county of Essex, State of Massachusetts, have invented certain new and useful mstance,'coating with an electrical insulatingmaterial.

One of the objects of my invention is to provide means whereby the wire may be car-. ried over and strung on the supports in a simple and eflicientmanner.

In the treating of wire and the like, as for instance, the insulating .of wire, as shown in my co-pending application, Serial No. 398,968, it is frequently necessary that the supports or sheaves over which the wire is carried shall be a considerable distance apart. In some instances where the wire travels through an oven, the direction of travel of the wire is vertical and the upper sheaves are a considerable distance from the lower ones.

Where the wire is carried back and forth over the sheaves a great many times, it is difiicult to string the wire, and where the wire is thin it is constantly breaking and has to be restrung. a v

In the carrying out of my invention I rovide an endless carrier which travels aong the path of the wire and is continuously in operation. The belt and the wire travel side by side over specially arranged sheaves composed of a cone-shaped ulley for the belt and a grooved wheel for tlib wire- The wire is fastened to the belt, and as the pulley is tapered or coned, and the belt has lateral stiffness the latter will travel towards the high side of the pulley whereas the wire itself will drop to the low side into the grooved wheel. In this way the wire is carried over. the successive sheaves and back to the starting point where it is secured to the spool or bobbin. In the accompanying drawings, in which have shown my invention embodied in a concrete form, Figure 1 is a perspective view illustrating one form of my invention, and Fig. 2 is an elevation partly in section, showing the details of construction of the sheaves.

Refe'rrin to the drawings, 10 represents porting the sheaves the lower s aft and 11 the upper shaft supover which the wire is to travel.

12 is an endless belt which runs over the sheaves and over the tension wheels 13 which keep it taut. The wire 14 is'led off of the spool 15 over the sheaves and on to the spool 16. The arrangement for supporting t e belt and the wire 1s shown in Fig. 2. It will be seen from an inspection of this figure that each sheave is composed of twoarts, a pulley 17 and a rooved Wheel 18. he puley 17 is tapere or cone-shaped as-shown, and is rovlded with aflange 19 to prevent the be t from running off. Mounted adjacent to this ulley and preferably so arranged that the pu ey will overhang it is the grooved wheel 18. The pulley 17 has a long hub 20 u on which the wheel 18 is loosely mounted. The pulley 17 is ada ted to rotate with the shaft 11 and is feat ered to the shaft by means of the keyway 21 cooperating with a lower sheaves, the end of the wire is secured to the belt as at 27 by means of a hook or the like. The machine is then started and the lower shaft 10 is driven positively by means of the pulley 26. The belt 12 drives the entire set of the upper and lower sheaves, and the wire being hooked to the belt is carried upward therewith. travel upward, the tendency of the belt is to travel towards the high side of the pulley into contact with the flange l9, whi e the As the wire and belt Wire will drop to the low side into the groove of thewheel 18. The wire will thus be led over the entire set of sheaves and finally when it returns it will be unhooked from the belt and secured to the spool 16. When the wire is thus strung over the sheaves, a bobbin-shaped iece 28 is secured in place so as to hold bac the front side of the belt from the neighborhood of the wire at the point Where it receives the coating, '5. e.the belt must be deflected from its path soas to be out of the way of the wire coating device.

I inequalities'in the size of measure of driving impulse from each of the. 10 several sheaves.

t wlllbe seen that I have provided a very simple means which is always at hand to string the wire, regardless of the number of sheaves or the istance of the-wire and'req nires very little power to drive it.

It will be, of course, understood that various modifications of my invention will sug-v gest' themselves to those skilled in the art without departing from the spirit of my invention, the scope of which isset forth in the annexed claims.

7 What I claim as new, and desire to secure 2 5 by Letters Patent of the United States, is,.

1 A stringing device for wire coating machines com risln an endless carrier arranged to fo ow he ath of the wire to be coated, and means whereby-the carrier and wire are automatically separated from each e multaneously, and means whereby the carrier and wire are automatically separated from each other. 3. -A wire stringing devlce comprising an 5 endless belt and a'plurality of sheaves each 40 having a cone-shaped face for the belt and a grooved face adjacent the smaller end of sald .cone for the wire.

. 4. A wire stringing device comprising an endless belt and a plurality of sheaves each consisting of a grooved wheel and a cone pulley adjacent each otherand mounted for independent notation 5. A Wire stringing device comprising an endless belt and a urality of sheaves arranged to support t e belt and wire simultaneously, means for securing the wire to the belt, and means whereby the wire'and belt small end of said between them. The belt or endless carrier'- 15 when it is always running is out of the way means for securing .belt, and means seslees automatically se arate so as to engage different portions of the sheave.- 6. A wire stringing device comprising a plurality of rooved wheels for carrying the wire, a plura ity of cone pulleys mounted adjacent thereto, an endless belt arranged to travel over said pulleys, and means for securing the end of the wire to the belt.

7.. A wire stringing device comprising a plurality ofcone' pulleys, an endless belt arranged to travel over said pulle s, a plurality ofgrooved wheels mounted adjacent to the ulleys and rotatable independently thereoi: and means for securing the end of the wire to the belt.

8. A wire stringin device comprising an endless carrier, a .purality of sheaves ar ranged to support the carrier and wire simultaneously, means in connection with the sheaves whereby the carrier and wire are automatically separated from each other, and

. means independent of the sheaves for hold:

ing the belt out of the path of the wire.

9. A wire stringing device comprising a plurality of positively driven pulleys, an endess belt arranged to travel over said pulleys,

a plurality of grooved wheels mounted adj a cent to said pulleys and frictionally driven the Wire to the belt.

10. A wire stringing device comprising a plurality of ositively driven cone pulleys, an endless -be t arranged to travel over said pulleys, a plurality of grooved wheels mounted adjacent ,to the small end of said thereby, and means for securing the end of pulleys and'frictionally driven thereby, and A .means for securing the-wire to the belt.

11. A wire stringing device comprising a plurality of an endless b t arranged to travel over said gositively driven cone pulleys, e

pulleys a plurality. of grooved wheels mounted ad'acent to the'smallend of said pulleys an frictionally -'driven thereby, the end of the wire to the orholding thebelt out of the path of the wire.

In witness whereof, I have hereunto set my hand this twelfth day of Se tember, 19071 JOH G. CALLAN. Witnesses:

JOHN A. McMANus, Jr.,-

i HENRY O. WEsTENDAnP. 

